Calendula arvensis

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Calendula arvensis L.

Asteraceae

Life form: annual or biennial

Exposure: sun - Exposure: half shade   6

Moisture: moderately moist

Soil: sand - Soil: gritty-sandy - Soil: sandy loam - Soil: gritty loam - Soil: sandy clay

Arrangement: alternate
Leaves: decidious

Shape: spatulate

Division: simple

Shape: many-stellate
Fruit: achene

3A / f8da21 

Inflorescence: solitary

Petals: not specified
Habit: not specified

Growth form: not specified

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Asteridae
Superordo:
Asteranae
Ordo:
Asterales

Calendula arvensis belongs to the group of annual and biennial plants.

Naming

Calendula arvensis was already described and the name validly published by Sébastien Vaillant. It was Carl Linnaeus, however, who reclassified it into todays valid botanical systematics in 1763.

Taxonomy

Calendula arvensis is a species in the genus Calendula which contains approximately 16 to 44 species and belongs to the family of the Asteraceae (Aster Family). The type species of the genus is Calendula officinalis.

Characteristics

Calendula arvensis - flowers

Growth

The plants reach heights of 5 to 50 centimetres.

Leaves

Calendula arvensis is deciduous. The simple leaves are alternate. They are spatulate with entire margins.

Flowers and Fruits

Calendula arvensis produces solitary yellow many-stellate flowers from June to October.

The plants produce achenes.

Root System

Distribution

Calendula arvensis is native to the Iberian Peninsula, France, the Apennine Peninsula, the Balkan Peninsula, Central Europe, Hungary, Romania, the Crimean Peninsula, western European Russia, Turkey, the Caucasus, Iran, Afghanistan, Northwest Africa and Macaronesia (Azores, Madeira, Canary Islands, Cap Verde).

Cultivation

The plants prefer a sunny to half-shady situation on moderately moist soil. The substrate should be sandy, gritty-sandy, sandy-loamy, gritty-loamy or sandy clay soil. They tolerate temperatures down to -23°C (USDA zone 6).

Uses

Suited for cottage gardens.

Maintenance and Propagation

Cultivars

Pests and Diseases

Literature

  • Walter Erhardt, Erich Götz, Nils Bödeker, Siegmund Seybold: Der große Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
  • Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.

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